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Virtual Pediatric Hospital: Paediapaedia: Approach to Mediastinal Masses

Paediapaedia: Chest Clinical and Radiographic Presentations, DDX, Approach to Imaging

Approach to Mediastinal Masses

Michael P. D'Alessandro, M.D.
Peer Review Status: Internally Peer Reviewed

Pediatric Radiology Resources on the Internet,,, and AnatomyAtlases

Clinical Presentation:
33% of all masses present in patients less than 15 years old
If small, usually asymptomatic and found incidentally (cautious work up)
If large, usually present with respiratory distress (frantic work up)

Anatomy of the Mediastinum

Anterior Mediastinal Masses: (4 T's) (30% of mediastinal masses)

Middle Mediastinal Masses (A + B) (30% of mediastinal masses)

Posterior Mediastinal Masses: (N) (40% of mediastinal masses)



Radiologist's job is to detect, characterize (benign vs. malignant), and follow the lesion


See References Chapter.

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